CN109141214A - A kind of deformation monitoring multi-source confirmation method based on Beidou meteorologic model - Google Patents
A kind of deformation monitoring multi-source confirmation method based on Beidou meteorologic model Download PDFInfo
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- CN109141214A CN109141214A CN201711026094.XA CN201711026094A CN109141214A CN 109141214 A CN109141214 A CN 109141214A CN 201711026094 A CN201711026094 A CN 201711026094A CN 109141214 A CN109141214 A CN 109141214A
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- beidou
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B7/00—Measuring arrangements characterised by the use of electric or magnetic techniques
- G01B7/16—Measuring arrangements characterised by the use of electric or magnetic techniques for measuring the deformation in a solid, e.g. by resistance strain gauge
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- Position Fixing By Use Of Radio Waves (AREA)
Abstract
The present invention provides a kind of, and the deformation monitoring multi-source based on Beidou meteorologic model confirms method, comprising the following steps: step (1): obtaining high-precision location data based on Beidou receiver and ground strengthening system;Step (2): it is calculated to obtain the changing rule of steam in atmosphere by correction of the ground strengthening system to atmospheric ionized layer;Step (3): the fluctuation of position data and noise are filtered using above-mentioned steam changing rule as risk factor, the present invention is filtered the fluctuation of position data and noise using steam changing rule as risk factor, the validity of Deformation Monitoring Data can be improved, reduce wrong report.
Description
Technical field
The present invention relates to deformation monitoring fields, and in particular to a kind of deformation monitoring multi-source confirmation based on Beidou meteorologic model
Method.
Background technique
The positioning of Global Navigation Satellite System (Global Navigation Satellite System, referred to as: GNSS)
Principle is: user calculates the distance that receiver user reaches satellite according to the satellite navigation signals that the navigation satellite received issues
With the real time position of satellite, when user simultaneously calculate up to four satellites apart from when, so that it may calculate the user oneself
Real-time three-dimensional position.However, the satellite that measures of user into the distance of receiver user actually also the ephemeris comprising satellite,
Error caused by star clock, ionosphere and tropospheric delay and receiver thermal noise and multipath effect etc., thus measure this
Distance is actually pseudorange.For example, being used for global positioning system (Global Positioning System, referred to as: GPS)
For family, directly pass through about 12.5 meters of positioning result of error of computation of pseudoranges.Therefore, in order to obtain determining for higher precision
Position is as a result, there are some auxiliary systems, such as ground strengthening system (GroundBased Augmentation System, letter
Claim: GBAS).
Summary of the invention
In order to solve above-mentioned insufficient defect, the present invention provides a kind of deformation monitoring multi-sources based on Beidou meteorologic model
The validity of Deformation Monitoring Data can be improved in confirmation method, the present invention, reduces wrong report.
The present invention provides a kind of, and the deformation monitoring multi-source based on Beidou meteorologic model confirms method, comprising the following steps:
Step (1): high-precision location data is obtained based on Beidou receiver and ground strengthening system;
Step (2): it is calculated to obtain steam in atmosphere by correction of the ground strengthening system to atmospheric ionized layer
Changing rule;
Step (3): the fluctuation of position data and noise are filtered using above-mentioned steam changing rule as risk factor.
Above-mentioned method, wherein the ground strengthening system includes data processing and location service center server and general
Logical precision receiver;Wherein the data processing and location service center server include: the first acquisition module, processing module,
Conversion module and sending module.
Above-mentioned method, wherein described first obtains module, for obtaining each benchmark in high-precision ground strengthening system
The measured value stood to Global Navigation Satellite System constellation satellite;The processing module, for the measured value carry out analysis and
Processing obtains high accuracy positioning differential data, and the high accuracy positioning differential data is for carrying out high accuracy positioning;The conversion
Module, the protocol format for being supported with general precision receiver are converted the high accuracy positioning differential data, obtained described general
The positioning differential data of logical precision receiver identification, the general precision receiver are without infusing in high accuracy positioning service registration
The receiver of volume, the positioning accuracy of the general precision receiver are less than the positioning accuracy of high-precision receiver;The transmission mould
Block, for sending the positioning differential data of general precision receiver identification to the general precision receiver.
Above-mentioned method, wherein the ground strengthening system further includes filter module, and the filter module is to position data
Fluctuation and noise be filtered.
Above-mentioned method, wherein in the step (2): further including obtaining current weather data;According to the meteorological data
Atmospheric ionization layer parameter is corrected, corrected parameter is obtained, calculates to obtain the changing rule of steam in atmosphere by corrected parameter.
Above-mentioned method, wherein further include: by the processor in ground strengthening system earth station, for realizing to institute
The monitoring of atmospheric ionized layer corrected parameter is stated, the atmospheric ionized layer corrected parameter that assessment generates in real time, and by corrected parameter
The processor being sent in earth station.
The invention has the following advantages that the 1, present invention using steam changing rule as risk factor to the fluctuation of position data and
Noise is filtered, and the validity of Deformation Monitoring Data can be improved, and reduces wrong report.
Detailed description of the invention
Upon reading the detailed description of non-limiting embodiments with reference to the following drawings, the present invention and its feature, outer
Shape and advantage will become more apparent upon.Identical label indicates identical part in all the attached drawings.Not deliberately proportionally
Draw attached drawing, it is preferred that emphasis is show the gist of the present invention.
Fig. 1 is the flow diagram that a kind of deformation monitoring multi-source based on Beidou meteorologic model of the present invention confirms method.
Specific embodiment
In the following description, a large amount of concrete details are given so as to provide a more thorough understanding of the present invention.So
And it is obvious to the skilled person that the present invention may not need one or more of these details and be able to
Implement.In other examples, in order to avoid confusion with the present invention, for some technical characteristics well known in the art not into
Row description.
In order to thoroughly understand the present invention, detailed step and detailed structure will be proposed in following description, so as to
Illustrate technical solution of the present invention.Presently preferred embodiments of the present invention is described in detail as follows, however other than these detailed descriptions, this
Invention can also have other embodiments.
Shown in referring to Fig.1, the present invention provides a kind of, and the deformation monitoring multi-source based on Beidou meteorologic model confirms method, packet
It includes:
Step (1): high-precision location data is obtained based on Beidou receiver and ground strengthening system, wherein ground enhances
System includes data processing and location service center server and general precision receiver;The wherein data processing and positioning clothes
Business central server includes: the first acquisition module, processing module, conversion module and sending module, and further preferably, first obtains
Module, for obtaining measurement of each base station to Global Navigation Satellite System constellation satellite in high-precision ground strengthening system
Value;The processing module obtains high accuracy positioning differential data, the height for the measured value to be analyzed and handled
Precision positioning differential data is for carrying out high accuracy positioning;The conversion module, the association for being supported with general precision receiver
It discusses format and converts the high accuracy positioning differential data, obtain the positioning differential data of the general precision receiver identification, institute
Stating general precision receiver is the receiver without registering in high accuracy positioning service registration, and the general precision receiver is determined
Position precision is less than the positioning accuracy of high-precision receiver;The sending module, for sending the general precision receiver identification
Positioning differential data to the general precision receiver.
Step (2): it is calculated to obtain steam in atmosphere by correction of the ground strengthening system to atmospheric ionized layer
Changing rule, wherein further include obtaining current weather data;Atmospheric ionization layer parameter is corrected according to the meteorological data, is obtained
Corrected parameter calculates to obtain the changing rule of steam in atmosphere by corrected parameter, and, further includes: system is enhanced by ground
Processor in system earth station, for realizing the monitoring to the atmospheric ionized layer corrected parameter, assessment is generated described in real time
Atmospheric ionized layer corrected parameter, and corrected parameter is sent to the processor in earth station.
Step (3): being filtered the fluctuation of position data and noise using above-mentioned steam changing rule as risk factor,
Wherein, ground strengthening system further includes filter module, and the filter module is filtered the fluctuation of position data and noise.This
Invention is filtered the fluctuation of position data and noise using steam changing rule as risk factor, and deformation monitoring number can be improved
According to validity, reduce wrong report.
Presently preferred embodiments of the present invention is described above.It is to be appreciated that the invention is not limited to above-mentioned
Particular implementation, devices and structures not described in detail herein should be understood as gives reality with the common mode in this field
It applies;Anyone skilled in the art, without departing from the scope of the technical proposal of the invention, all using the disclosure above
Methods and technical content many possible changes and modifications are made to technical solution of the present invention, or be revised as equivalent variations etc.
Embodiment is imitated, this is not affected the essence of the present invention.Therefore, anything that does not depart from the technical scheme of the invention, foundation
Technical spirit of the invention any simple modifications, equivalents, and modifications made to the above embodiment, still fall within the present invention
In the range of technical solution protection.
Claims (6)
1. a kind of deformation monitoring multi-source based on Beidou meteorologic model confirms method, which comprises the following steps:
Step (1): high-precision location data is obtained based on Beidou receiver and ground strengthening system;
Step (2): it is calculated to obtain the variation of steam in atmosphere by correction of the ground strengthening system to atmospheric ionized layer
Rule;
Step (3): the fluctuation of position data and noise are filtered using above-mentioned steam changing rule as risk factor.
2. a kind of deformation monitoring multi-source based on Beidou meteorologic model as described in claim 1 confirms method, which is characterized in that
The ground strengthening system includes data processing and location service center server and general precision receiver;The wherein data
Processing and location service center server include: the first acquisition module, processing module, conversion module and sending module.
3. a kind of deformation monitoring multi-source based on Beidou meteorologic model as claimed in claim 2 confirms method, which is characterized in that
Described first obtains module, for obtaining in high-precision ground strengthening system each base station to Global Navigation Satellite System constellation
The measured value of satellite;The processing module obtains high accuracy positioning difference number for the measured value to be analyzed and handled
According to the high accuracy positioning differential data is for carrying out high accuracy positioning;The conversion module, for general precision receiver
The protocol format of support converts the high accuracy positioning differential data, obtains the positioning difference of the general precision receiver identification
Data, the general precision receiver are the receivers without registering in high accuracy positioning service registration, and the general precision connects
The positioning accuracy of receipts machine is less than the positioning accuracy of high-precision receiver;The sending module connects for sending the general precision
The positioning differential data of receipts machine identification is to the general precision receiver.
4. a kind of deformation monitoring multi-source based on Beidou meteorologic model as claimed in claim 3 confirms method, which is characterized in that
The ground strengthening system further includes filter module, and the filter module is filtered the fluctuation of position data and noise.
5. a kind of deformation monitoring multi-source based on Beidou meteorologic model as claimed in claim 4 confirms method, which is characterized in that
In the step (2): further including obtaining current weather data;Atmospheric ionization layer parameter is corrected according to the meteorological data, is obtained
Corrected parameter calculates to obtain the changing rule of steam in atmosphere by corrected parameter.
6. a kind of deformation monitoring multi-source based on Beidou meteorologic model as claimed in claim 5 confirms method, which is characterized in that
Further include: by the processor in ground strengthening system earth station, for realizing the prison to the atmospheric ionized layer corrected parameter
Depending on assessing the atmospheric ionized layer corrected parameter generated in real time, and corrected parameter is sent to the processor in earth station.
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Cited By (1)
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CN116699650A (en) * | 2023-05-23 | 2023-09-05 | 江西合众思壮信息技术有限公司 | Beidou foundation enhancement system and method for high-precision positioning |
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